Home / 21,197.38-29,252.51-13,244.23

Finding the Fourth Proportional to 21,197.38, 29,252.51 and 13,244.23

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Solution

The fourth proportional to 21,197.38, 29,252.51 and 13,244.23 is: 18,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197.38 : 29,252.51 = 13,244.23 : x
  2. Step 2: Convert to fraction form
    21,197.38/29,252.51 = 13,244.23/x
  3. Step 3: Cross multiply
    21,197.38x = 29,252.51 × 13,244.23
  4. Step 4: Simplify right side
    21,197.38x = 387,426,970.52
  5. Step 5: Solve for x
    x = 387,426,970.52/21,197.38
  6. Step 6: Final answer
    x = 18,277.12

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Half scale
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Double scale
Find fourth proportional to 21,198.38, 29,253.89 and 13,245.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.